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2257198314 = 23753742817
BaseRepresentation
bin1000011010001010…
…0001110011101010
312211022022112222120
42012202201303222
514110320321224
61011551332110
7106635604050
oct20642416352
95738275876
102257198314
11a59147558
1252bb21036
1329c83a307
14175aca1d0
15d3269779
hex868a1cea

2257198314 has 16 divisors (see below), whose sum is σ = 5159310528. Its totient is φ = 644913792.

The previous prime is 2257198313. The next prime is 2257198337. The reversal of 2257198314 is 4138917522.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 53742817 = 2257198314 / (2 + 2 + 5 + 7 + 1 + 9 + 8 + 3 + 1 + 4).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2257198313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26871367 + ... + 26871450.

It is an arithmetic number, because the mean of its divisors is an integer number (322456908).

Almost surely, 22257198314 is an apocalyptic number.

2257198314 is an abundant number, since it is smaller than the sum of its proper divisors (2902112214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2257198314 is a wasteful number, since it uses less digits than its factorization.

2257198314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53742829.

The product of its digits is 120960, while the sum is 42.

The square root of 2257198314 is about 47509.9812039533. The cubic root of 2257198314 is about 1311.7666109771.

The spelling of 2257198314 in words is "two billion, two hundred fifty-seven million, one hundred ninety-eight thousand, three hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 53742817 107485634 161228451 322456902 376199719 752399438 1128599157 2257198314